ebu_nand_probe() did not invoke ebu_dma_cleanup() and
clk_disable_unprepare() on some error handling paths. The patch fixes
that.

Found by Linux Driver Verification project (linuxtesting.org).

Fixes: 0b1039f0 ("mtd: rawnand: Add NAND controller support on Intel LGM SoC")
Signed-off-by: NEvgeny Novikov <novikov@ispras.ru>
Co-developed-by: NKirill Shilimanov <kirill.shilimanov@huawei.com>
Signed-off-by: NKirill Shilimanov <kirill.shilimanov@huawei.com>
Co-developed-by: NAnton Vasilyev <vasilyev@ispras.ru>
Signed-off-by: NAnton Vasilyev <vasilyev@ispras.ru>
Cc: stable@vger.kernel.org
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210817092930.23040-1-novikov@ispras.ru